&periodic_grid
   ! 100km = 100 cells + 2 extra on either side for culling and 2 for gutter
   nx = 104,
   ! 24 + 2 for culling
   ny = 26,
   dc = 1000.,
   nVertLevels = 1,
   nTracers = 1,
   nproc = 1
/
